On Mon, Apr 23, 2012 at 10:43:08AM +0200, Martin Peres wrote: > Le 23/04/2012 00:18, Marcin Slusarz a ?crit : > > Overall idea: > > Detect lockups by watching for timeouts (vm flush / fence), return -EIOs, > > handle them at ioctl level, reset the GPU and repeat last ioctl. > > > > GPU reset is done by doing suspend / resume cycle with few tweaks: > > - CPU-only bo eviction > > - ignoring vm flush / fence timeouts > > - shortening waits > > > > Signed-off-by: Marcin Slusarz<marcin.slusarz at gmail.com> > > --- > > Tested only on nv92. > Hi Marcin, > > I'm really busy at the moment but I'm glad to see such patches coming out. > I'll try them out ASAP! > > Do you have a recommended way to test your patch set?
Just run piglit. Even "quick" tests can cause ~5 lockups (it eventually messes up DDX channel, but this patchset can't fix this case). You can run fs-discard-exit-2 test first - for me it causes instant GPU lockup. Marcin
